Program sfbeamform1 | Gaussian beam forming. 
[SYNOPSIS]
sfbeamform1 < in.rsf > out.rsf rect=3 adj=y repeat=1
[PARAMETERS]
bool    | adj | =y |  [y/n] | 	adjoint flag 
int     | rect | =3 |   | 	smoothing radius 
int     | repeat | =1 |   | 	repeat triangle smoothing 
[DIRECTORY]
user/fomels
